index exceed matrix dimension error

how to solve this? if m{7}== 0 m{7}= 0.000000001; else m{7} = m{7}; end since i get error "index exceed matrix dimension"

Answer 1

[Fangjun Jiang]

You have less than 7 cells in your variable m. Do the following to understand the error.

>> clear m; m=cell(6,1);m{7}
??? Index exceeds matrix dimensions.

[srycandy]

how to call the 7th cell only?

[Fangjun Jiang]

The problem is that you don't have the 7th cell. Check the size of m using size(m)